linux-kernel - Re: [Xen-devel] [PATCH 10 of 12] xen: implement save/restore

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Date:	Mon, 2 Jun 2008 18:21:44 +0900
From:	Isaku Yamahata <yamahata@...inux.co.jp>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Ingo Molnar <mingo@...e.hu>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Thomas Gleixner <tglx@...utronix.de>,
	xen-devel <xen-devel@...ts.xensource.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] [PATCH 10 of 12] xen: implement save/restore

On Fri, May 23, 2008 at 02:41:17PM +0100, Jeremy Fitzhardinge wrote:
> diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
> --- a/drivers/xen/manage.c
> +++ b/drivers/xen/manage.c
...
> +static int xen_suspend(void *data)
> +{
> +	int *cancelled = data;
> +
> +	BUG_ON(!irqs_disabled());
> +
> +	load_cr3(swapper_pg_dir);

What is the purpose of load_cr3() here?
I'd like to make this load_cr3() more arch generic for ia64 support.
(or eliminate it if possible)
-- 
yamahata
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